导演 C.J. Hunt

Self / Narrator / Main Subject C.J. Hunt

Self / President, Wenner-Gren Foundation for Anth. Research Leslie Aiello

Self / Author / Professor of Health & Exercise Science, CO St. U Loren Cordain

Self / Author, Protein Power Michael Eades

Self / Author, Paleolithic Prescription / Professor, Emory U. Boyd Eaton

Self / Center for Nutritional Medicine Joel Fuhrman

Self / VP Price-Pottenger Nutrition Foundation David J. Getoff

Self / President, Int'l Association of Hygienic Physicians Alan Goldhamer

Self / Exec. Dir., Healthy Nation Coalition Adele Hite MPH R.D.

Self / Dir., Human Evolution, Max Planck Institute Jean Jacques Hublin

Self / Founder Tasty Eats Soy Jerky Maria Leung

Self / Paleolithic Archaeologist, Max Planck Institute Shannon McPherron

Self / President, Weston A. Price Foundation Sally Fallon Morell

Self / PhD Anthropology Student William Rendu

Self / Head, Archaeological Science Group, Max Planck Institute Professor Mike Richards

Self / Physical Anthropologist, American Museum of Nat. History Gary J. Sawyer

Self / Author / President, Inflammation Research Foundation Barry Sears, Ph.D.

Self / Board Examiner, American Academy of Anti-Aging Medicine Lane Sebring, M.D.

Self / Max Planck Institute for Evolutionary Anthropology Dr. Marie Soressi

Self / Science Journalist / Author, Good Calories Bad Calories Gary Taubes

Self / Director, Center for Integrative Medicine, U.Arizona Andrew Weil

Self / Author / Former Research Biochemist Robb Wolf

Self / Métis Physician / Sr. Health Advisor Jay Wortman, M.D.

Self / Registered Dietician, Sebring Clinic Kylie Wurl, R.D.

Runner Susan Loraine Anderson

Young C.J. Hunt Ben Lamm

EMT 1 Shelia P. Norton

EMT 2 Clay David

Self / Talk Show Host 凱莉·瑞帕

Self / First Lady Michelle Obama